111001002211122 has 32 divisors (see below), whose sum is σ = 222060661671552. Its totient is φ = 36990558468864.

The previous prime is 111001002211097. The next prime is 111001002211123. The reversal of 111001002211122 is 221112200100111.

It is a happy number.

It is a super-2 number, since 2×111001002211122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111001002211123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027666443 + ... + 1027774449.

It is an arithmetic number, because the mean of its divisors is an integer number (6939395677236).

Almost surely, 2^{111001002211122} is an apocalyptic number.

111001002211122 is an abundant number, since it is smaller than the sum of its proper divisors (111059659460430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111001002211122 is a wasteful number, since it uses less digits than its factorization.

111001002211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151682.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111001002211122 its reverse (221112200100111), we get a palindrome (332113202311233).

The spelling of 111001002211122 in words is "one hundred eleven trillion, one billion, two million, two hundred eleven thousand, one hundred twenty-two".